#include <iostream>
#include "list.h"
int main()
{
	mystl::list<int> ls1; ls1.push_back(1); ls1.push_back(2); ls1.push_back(3);
	mystl::list<int> ls2 = ls1;
	std::cout << "ls2:";
	for (auto a : ls2) std::cout << a << " ";
	return 0;
}